Search a number
-
+
51234371 = 4347101251
BaseRepresentation
bin1100001101110…
…0011001000011
310120101222100022
43003130121003
5101103444441
65030044055
71161325226
oct303343103
9116358308
1051234371
1126a14161
12151a962b
13a7cb1c6
146b395bd
15477084b
hex30dc643

51234371 has 16 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 48300000.

The previous prime is 51234367. The next prime is 51234383. The reversal of 51234371 is 17343215.

It is a cyclic number.

It is not a de Polignac number, because 51234371 - 22 = 51234367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51234371.

It is not an unprimeable number, because it can be changed into a prime (51234671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203996 + ... + 204246.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 251234371 is an apocalyptic number.

51234371 is a deficient number, since it is larger than the sum of its proper divisors (3052477).

51234371 is a wasteful number, since it uses less digits than its factorization.

51234371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its digits is 2520, while the sum is 26.

The square root of 51234371 is about 7157.8188716955. The cubic root of 51234371 is about 371.4101797952.

Adding to 51234371 its reverse (17343215), we get a palindrome (68577586).

The spelling of 51234371 in words is "fifty-one million, two hundred thirty-four thousand, three hundred seventy-one".

Divisors: 1 43 47 101 251 2021 4343 4747 10793 11797 25351 204121 507271 1090093 1191497 51234371